/* Flontoso — hoja de estilos común */

:root {
  --paper: #f1f2f0;
  --paper-alt: #e3e5e2;
  --ink-block: #141614;
  --text: #171917;
  --text-soft: #6a6e6a;
  --text-invert: #f1f2f0;
  --accent: #2a6b3c;
  --accent-2: #8a6a20;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gutter: 28px;
  --maxw: 1200px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- rejilla base de 12 columnas ---------- */

.grid {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

/* ---------- tipografía ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--text);
  text-transform: none;
}

h1 {
  font-size: clamp(2.1rem, 5.6vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
}

h2 {
  font-size: clamp(1.5rem, 2.9vw, 2.15rem);
  line-height: 1.16;
  margin: 0 0 22px;
}

h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.22rem;
  line-height: 1.32;
  margin: 34px 0 12px;
}

p { margin: 0 0 20px; }

.lead {
  font-size: 1.06rem;
  line-height: 1.66;
}

.label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-soft);
  line-height: 1.5;
}

.num {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-2);
}

.caption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.87rem;
  line-height: 1.5;
  color: var(--text-soft);
  margin: 12px 0 0;
}

.soft { color: var(--text-soft); }

/* ---------- cabecera y navegación ---------- */

.site-head {
  border-bottom: 1px solid var(--accent);
}

.site-head .grid {
  align-items: baseline;
  padding-top: 20px;
  padding-bottom: 18px;
  row-gap: 10px;
}

.brand {
  grid-column: 1 / 5;
  font-family: var(--serif);
  font-size: 1.32rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover { text-decoration: underline; text-underline-offset: 4px; }

.site-nav {
  grid-column: 5 / 13;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 26px;
}

.site-nav a {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover { border-bottom-color: var(--accent); }

.site-nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ---------- hero ---------- */

.hero { padding: 76px 0 84px; }

.hero .grid { row-gap: 0; }

.hero-kicker {
  grid-column: 1 / 9;
  grid-row: 1;
  margin-bottom: 26px;
}

.hero h1 {
  grid-column: 1 / 9;
  grid-row: 2;
}

.hero-intro {
  grid-column: 1 / 5;
  grid-row: 3;
  margin-top: 40px;
}

.hero-figure {
  grid-column: 9 / 13;
  grid-row: 3;
  align-self: start;
  max-width: 480px;
  justify-self: end;
  margin: -2.2rem 0 0;
}

/* ---------- secciones ---------- */

.band { padding: 96px 0; }
.band--alt { background: var(--paper-alt); }

.band--dark {
  background: var(--ink-block);
  color: var(--text-invert);
}

.band--dark h2,
.band--dark h3 { color: var(--text-invert); }

.band--dark .label { color: #a3a8a3; }
.band--dark .caption { color: #a3a8a3; }
.band--dark a { color: #8fc39c; }

.sec-head {
  grid-column: 1 / 13;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

.sec-num { grid-column: 1 / 2; padding-top: 10px; }

/* texto estrecho, desplazado a la derecha */
.col-6-offset {
  grid-column: 3 / 9;
}

/* texto ancho, centrado en la rejilla */
.col-8-center {
  grid-column: 3 / 11;
}

.col-7-right { grid-column: 6 / 13; }

/* ---------- líneas divisorias ---------- */

.rule {
  grid-column: 1 / 13;
  height: 1px;
  background: var(--accent);
  border: 0;
  margin: 0 0 40px;
  opacity: 0.55;
}

.rule--soft { background: var(--accent-2); opacity: 0.45; }

.band--dark .rule { background: #3d5c45; opacity: 1; }

/* ---------- listas ---------- */

.list-2col {
  grid-column: 3 / 13;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 48px;
  row-gap: 0;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.list-2col li {
  padding: 14px 0 14px 26px;
  border-top: 1px solid rgba(106, 110, 106, 0.32);
  position: relative;
  line-height: 1.6;
}

.list-2col li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

ul.plain {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

ul.plain li {
  padding: 0 0 10px 24px;
  position: relative;
}

ul.plain li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.band--dark ul.plain li::before { color: #8fc39c; }

ol.steps {
  margin: 0 0 20px;
  padding-left: 22px;
}

ol.steps li { padding-bottom: 10px; }
ol.steps li::marker { color: var(--accent-2); }

/* ---------- sección oscura con imagen ---------- */

.detail-figure {
  grid-column: 2 / 6;
  margin: 0;
}

.detail-text { grid-column: 7 / 13; }

/* ---------- glosario / definiciones ---------- */

.defs { grid-column: 3 / 11; margin: 0; }

.defs dt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(138, 106, 32, 0.4);
}

.defs dd { margin: 6px 0 0; }

/* ---------- contacto ---------- */

.contact-block { grid-column: 3 / 9; }

/* ---------- About ---------- */

.about-marks {
  grid-column: 1 / 5;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-marks li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(138, 106, 32, 0.45);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.about-marks li:first-child { border-top: 1px solid rgba(138, 106, 32, 0.45); }

/* ---------- páginas legales ---------- */

.page-head { padding: 64px 0 34px; }
.page-head h1 { grid-column: 1 / 10; }
.page-head .label { grid-column: 1 / 10; margin-bottom: 20px; }
.page-head .lead { grid-column: 1 / 8; margin-top: 26px; }

.legal { padding: 12px 0 92px; }
.legal h2 { margin-top: 0; }
.legal section { margin-bottom: 56px; }

/* ---------- pie ---------- */

.site-foot {
  background: var(--ink-block);
  color: var(--text-invert);
  padding: 64px 0 56px;
}

.site-foot .grid { row-gap: 34px; align-items: start; }

.foot-name {
  grid-column: 1 / 6;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 1.1;
  margin: 0 0 12px;
}

.foot-sub {
  grid-column: 1 / 6;
  color: #a3a8a3;
  margin: -22px 0 0;
  max-width: 34ch;
  font-size: 14px;
}

.foot-nav {
  grid-column: 7 / 10;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-nav a,
.foot-mail a {
  color: var(--text-invert);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 195, 156, 0.55);
  align-self: flex-start;
  font-size: 14px;
}

.foot-nav a:hover,
.foot-mail a:hover { border-bottom-color: #8fc39c; color: #8fc39c; }

.foot-mail { grid-column: 10 / 13; }
.foot-mail .label { color: #a3a8a3; display: block; margin-bottom: 10px; }

.foot-base {
  grid-column: 1 / 13;
  border-top: 1px solid #3d5c45;
  padding-top: 22px;
  font-size: 13px;
  color: #a3a8a3;
}

.site-foot :focus-visible { outline-color: #8fc39c; }

/* ---------- tablet ---------- */

@media (max-width: 900px) {
  .hero { padding: 54px 0 60px; }
  .hero h1, .hero-kicker { grid-column: 1 / 13; }
  .hero-intro { grid-column: 1 / 9; }
  .hero-figure {
    grid-column: 1 / 9;
    grid-row: 4;
    justify-self: start;
    margin-top: 44px;
    max-width: 420px;
  }
  .band { padding: 68px 0; }
  .col-6-offset,
  .col-8-center,
  .col-7-right,
  .defs,
  .contact-block,
  .list-2col { grid-column: 1 / 13; }
  .sec-num { grid-column: 1 / 13; margin-bottom: 14px; padding-top: 0; }
  .detail-figure { grid-column: 1 / 7; margin-bottom: 34px; }
  .detail-text { grid-column: 1 / 13; }
  .about-marks { grid-column: 1 / 13; margin-bottom: 36px; }
  .page-head h1,
  .page-head .label,
  .page-head .lead { grid-column: 1 / 13; }
  .foot-name { grid-column: 1 / 13; }
  .foot-sub { grid-column: 1 / 9; }
  .foot-nav { grid-column: 1 / 7; }
  .foot-mail { grid-column: 7 / 13; }
}

/* ---------- móvil ---------- */

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  body { font-size: 16.5px; }
  .site-head .grid { row-gap: 14px; }
  .brand { grid-column: 1 / 13; }
  .site-nav { grid-column: 1 / 13; justify-content: flex-start; gap: 8px 18px; }
  .site-nav a { font-size: 12px; letter-spacing: 0.08em; }
  .hero { padding: 40px 0 48px; }
  .hero-intro { grid-column: 1 / 13; margin-top: 28px; }
  .hero-figure { grid-column: 1 / 13; max-width: 100%; margin-top: 36px; }
  .band { padding: 56px 0; }
  .list-2col { grid-template-columns: minmax(0, 1fr); column-gap: 0; }
  .detail-figure { grid-column: 1 / 13; }
  .legal section { margin-bottom: 42px; }
  .site-foot { padding: 48px 0 40px; }
  .foot-nav, .foot-mail, .foot-sub { grid-column: 1 / 13; }
}